Just like the price, the marketcap is not really important. It actually means nothing and It's much lower then 100B If we take in consideration the lost and untouched coins.
What you really need to look into to know If we're progressing or not is the number of ATMs, services, local shops etc. that accepts bitcoin and how are they growing over the months.
Yeah adoption ain't gonna happen, definitely not when people think of it as an asset. Because of that mindset, the price matters, the "marketcap" markets.
Market cap is a statistic, as useless as this:
http://www.joe-ks.com/archives_feb2004/Useless_Stats.htmSo it's totally unimportant if you ask me.